Finding the Fourth Proportional to 534,126.48, 800,442.36 and 309,427.08
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Solution
The fourth proportional to 534,126.48, 800,442.36 and 309,427.08 is: 463,707.66
Step by Step Solution
- Step 1: Write the proportion equation
534,126.48 : 800,442.36 = 309,427.08 : x - Step 2: Convert to fraction form
534,126.48/800,442.36 = 309,427.08/x - Step 3: Cross multiply
534,126.48x = 800,442.36 × 309,427.08 - Step 4: Simplify right side
534,126.48x = 247,678,542,163.11 - Step 5: Solve for x
x = 247,678,542,163.11/534,126.48 - Step 6: Final answer
x = 463,707.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.